HEAVY METAL ANALYSIS IN ROOT, SHOOT AND LEAF OF PSIDIUM GUAJAVA L. BY USING ATOMIC ABSORPTION SPECTROPHOTOMETERPRASANN KUMAR PANKAJ KUMAR MISHRA AND SHOBHIT SINGHAbstract The present study was conducted to estimate the heavy metal content in different parts of Psidium guajava L. especially concerned with uptake of Cd, Pb, Cr and Ni. For studying the heavy metals load of sewage sludge and their effects on crop quality in relation to non applied sites, solid sludge and oil plant Psidium guajava L. was collected from seven STPs viz. Howrah, Garulia, Bhatpara, Nabadwip, Srirampur, Kona, Chandannager and from the Periurban areas viz. Nadia/ Chakdaha/ Ektapur(N/C/E), Nadia/Chakdaha/Pumlia, Nadia/Chakdaha/Sikarpur(N/C/S), Nadia/Chakdaha/ Tatla (N/C/T). On the basis of experimental finding it can be suggested that fruit plant like Psidium guajava L. has more scavenging capacity for Pb and Cr and if this plant is cultivated in sites abundant with above heavy metals, this would scavenge the heavy metal toxicity from the soil.
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